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Electronics - Operational Amplifiers

Exercise : Operational Amplifiers - True or False
16.
Current actually flows into or out of a virtual ground.
True
False
Answer: Option
Explanation:
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17.
A voltage-follower op-amp has the output connected directly to the inverting input.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The frequency of a crystal is dependent on how much voltage is applied to activate it.
True
False
Answer: Option
Explanation:
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19.
If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by 2.
True
False
Answer: Option
Explanation:
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20.
An inverting amplifier has a phase shift of 180° from input to output.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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